ad.

1. 因此，于是
   The watch was found in his bag; thereupon he was accused of stealing.

   在他的袋子里发现了那块表，因此他被指控偷窃。

2. 随即，立即
   The police arrived. Thereupon the mob scattered.

   警察来了，这群乌合之众也随之散去。

3. 在其上；关于那
   The knight carried a shield with a cross painted thereupon.

   骑士拿着绘着十字的盾牌。

adv.